48 lines
3.1 KiB
Plaintext
48 lines
3.1 KiB
Plaintext
Field Name Bits Default Description
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AF_VAL 7:0 0x0 Specifies the 8-bit alpha compare value when
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AF_EN_8BIT is enabled
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AF_FUNC 10:8 0x0 Specifies the alpha compare function.
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POSSIBLE VALUES:
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00 - AF_NEVER
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01 - AF_LESS
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02 - AF_EQUAL
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03 - AF_LE
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04 - AF_GREATER
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05 - AF_NOTEQUAL
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06 - AF_GE
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07 - AF_ALWAYS
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AF_EN 11 0x0 Enables/Disables alpha compare function.
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POSSIBLE VALUES:
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00 - Disable alpha function.
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01 - Enable alpha function.
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AF_EN_8BIT 12 0x0 Enable 8-bit alpha compare function.
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POSSIBLE VALUES:
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00 - Default 10-bit alpha compare.
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01 - Enable 8-bit alpha compare.
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AM_EN 16 0x0 Enables/Disables alpha-to-mask function.
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POSSIBLE VALUES:
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00 - Disable alpha to mask function.
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01 - Enable alpha to mask function.
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AM_CFG 17 0x0 Specfies number of sub-pixel samples for alpha-to-mask
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function.
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POSSIBLE VALUES:
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00 - 2/4 sub-pixel samples.
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01 - 3/6 sub-pixel samples.
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DITH_EN 20 0x0 Enables/Disables RGB Dithering (Not supported in
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R520)
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POSSIBLE VALUES:
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00 - Disable Dithering
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01 - Enable Dithering.
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ALP_OFF_EN 24 0x0 Alpha offset enable/disable (Not supported in R520)
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POSSIBLE VALUES:
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00 - Disables alpha offset of 2 (default r300 & rv350 behavior)
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01 - Enables offset of 2 on alpha coming in from the US
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DISCARD_ZERO_MASK_QUAD 25 0x0 Enable/Disable discard zero mask coverage quad to ZB
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POSSIBLE VALUES:
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00 - No discard of zero coverage mask quads
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01 - Discard zero coverage mask quads
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FP16_ENABLE 28 0x0 Enables/Disables FP16 alpha function
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POSSIBLE VALUES:
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00 - Default 10-bit alpha compare and alpha-to-mask function
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01 - Enable FP16 alpha compare and alpha-to-mask function
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